Turbocharger support housing having improved drainage
US-9163641-B2 · Oct 20, 2015 · US
Oil drain for the bearing housing of a turbocharger
US10100671B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10100671-B2 |
| Application number | US-201314655972-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 9, 2013 |
| Priority date | Jan 8, 2013 |
| Publication date | Oct 16, 2018 |
| Grant date | Oct 16, 2018 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
An oil drain (8) in a turbocharger bearing housing (1) is provided in which the oil flows out along the outer edge of the oil drain (8) leaving the center of the drain (8) open. Air can flow between the bearing housing (1) and the oil sump allowing for an equalization of air pressure therebetween.
First claim
Opening claim text (preview).
What is claimed is: 1. A turbocharger comprising: a bearing housing for rotatably supporting a shaft interconnecting a turbine wheel and a compressor wheel and for circulating oil about the shaft, the bearing housing including an oil drain formed by an outer wall for draining the oil from the bearing housing and through an oil drain opening; and a flow moderator operatively coupled to the oil drain for maintaining the center of the drain opening free of oil whereby air may move through the center of the drain opening, the flow moderator including a plate with a flange extending towards the drain opening, at least one rib spanning the flange, and a breather tube extending axially through the plate, the at least one rib including engagement structure configured and dimensioned to receive the breather tube such that the breather tube is separated from the flange. 2. The turbocharger according to claim 1 wherein the flow moderator further includes 2 to 8 spirals formed in the outer wall of the oil drain. 3. The turbocharger according to claim 2 wherein the flow moderator includes 4 to 6 spirals. 4. The turbocharger according to claim 1 wherein the flow moderator includes 2 to 5 ribs extending across the oil drain opening. 5. The turbocharger according to claim 4 wherein the flow moderator includes 3 to 4 ribs. 6. The turbocharger according to claim 1 further comprising a cap disposed on a distal end of the breather tube.
Assignees
Inventors
Classifications
Bearings · CPC title
Lubrication · CPC title
in turbochargers · CPC title
Bearing supports · CPC title
Engines characterised by provision of pumps driven at least for part of the time by exhaust · CPC title
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Frequently asked questions
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- What does patent US10100671B2 cover?
- An oil drain (8) in a turbocharger bearing housing (1) is provided in which the oil flows out along the outer edge of the oil drain (8) leaving the center of the drain (8) open. Air can flow between the bearing housing (1) and the oil sump allowing for an equalization of air pressure therebetween.
- Who is the assignee on this patent?
- Borgwarner Inc
- What technology area does this patent fall under?
- Primary CPC classification F01D25/18. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Oct 16 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).